Comparison of color light-emitting diode corneal topographer and dual rotating Scheimpflug-placido topographer
Purpose: To compare measurements of anterior and posterior keratometric values, using a color light-emitting diode corneal topographer and a dual rotating Scheimpflug-Placido topographer. Methods: Anterior and posterior corneal index measurements were performed using a color light-emitting diode cor...
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| Main Authors: | , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
27 Dec 2018
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| In: |
Journal of ophthalmology
Year: 2018, Pages: 1-7 |
| ISSN: | 2090-0058 |
| DOI: | 10.1155/2018/6764805 |
| Online Access: | Verlag, Volltext: https://doi.org/10.1155/2018/6764805 Verlag: https://www.hindawi.com/journals/joph/2018/6764805/ 
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| Author Notes: | Jae Hyuck Lee, Yong Woo Lee, Jong Soo Lee, Michael C. Knorz, Gerd U. Auffarth, and Chul Young Choi |
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| 100 | 1 | |a Lee, Jae Hyuck |e VerfasserIn |0 (DE-588)1205341897 |0 (DE-627)1690935960 |4 aut | |
| 245 | 1 | 0 | |a Comparison of color light-emitting diode corneal topographer and dual rotating Scheimpflug-placido topographer |c Jae Hyuck Lee, Yong Woo Lee, Jong Soo Lee, Michael C. Knorz, Gerd U. Auffarth, and Chul Young Choi |
| 264 | 1 | |c 27 Dec 2018 | |
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| 520 | |a Purpose: To compare measurements of anterior and posterior keratometric values, using a color light-emitting diode corneal topographer and a dual rotating Scheimpflug-Placido topographer. Methods: Anterior and posterior corneal index measurements were performed using a color light-emitting diode corneal topographer (Cassini) and a dual rotating Scheimpflug-Placido topographer (Galilei G4) and then compared. The paired t-test, intraclass correlation coefficients (ICCs), and Bland-Altman plots were used to evaluate the agreement between measurements. Results: Sixty postrefractive surgery eyes and 60 normal eyes were evaluated. Both the color light-emitting diode corneal topographer and the dual rotating Scheimpflug-Placido topographer provided highly repeatable corneal measurements (ICC > 0.969). The agreement levels between the 2 devices for anterior corneal power, astigmatism magnitude, and J0 and J45 values were ICC > 0.906 for the total group. However, the ICC values for posterior corneal power, astigmatism magnitude, and J0 and J45 values were lower than 0.681 for the total group. Conclusions: The anterior keratometric values obtained by the color light-emitting diode corneal topographer and the dual rotating Scheimpflug-Placido topographer showed high agreement levels, but the posterior keratometric values showed lower agreement levels. | ||
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